Home / 195,665.96-293,333.16-77,420.72

Finding the Fourth Proportional to 195,665.96, 293,333.16 and 77,420.72

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Solution

The fourth proportional to 195,665.96, 293,333.16 and 77,420.72 is: 116,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,665.96 : 293,333.16 = 77,420.72 : x
  2. Step 2: Convert to fraction form
    195,665.96/293,333.16 = 77,420.72/x
  3. Step 3: Cross multiply
    195,665.96x = 293,333.16 × 77,420.72
  4. Step 4: Simplify right side
    195,665.96x = 22,710,064,447.08
  5. Step 5: Solve for x
    x = 22,710,064,447.08/195,665.96
  6. Step 6: Final answer
    x = 116,065.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.